During wartime, a small country issued certificates to the public to raise money. each certificate promised to pay the holder a certain amount in silver. after the war was over, the population continued exchanging these certificates instead of converting them to silver. what type of money did this economy use?

Completar fill in the blanks with words from the list based on the panorama cultural video.

Me with this psychology homework, i’m struggling with it.

The controlled use of fire by hominids: (a) limited the expansion of hominids into certain environments, such as dry grasslands. (b) decreased the amount of food energy available in the hominid diet. (c) contributed to geographical expansion and food production techniques in positive ways. (d) has been shown to contribute little to the digestive process of hominids.